Finding the Fourth Proportional to 2,236.33, 3,086.61 and 1,292.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,236.33 : 3,086.61 = 1,292.27 : x
2. Step 2: Convert to fraction form
   2,236.33/3,086.61 = 1,292.27/x
3. Step 3: Cross multiply
   2,236.33x = 3,086.61 × 1,292.27
4. Step 4: Simplify right side
   2,236.33x = 3,988,733.50
5. Step 5: Solve for x
   x = 3,988,733.50/2,236.33
6. Step 6: Final answer
   x = 1,783.61